Gerda Johanna Marie van der Kade-Koudijs, née Koudijs, (29 October 1923 – 19 March 2015) was a Dutch athlete who competed at the 1948 Olympics. She won a gold medal in the 4 à100 m relay with Xenia Stad-de Jong, Netti Witziers-Timmer, and Fanny Blankers-Koen, she finished fourth in the long jump and was eliminated in a heat of the 80 m hurdles. Two years earlier she won European titles in the 4 à100 m relay and long jump and finished sixth in the individual 100 m race.